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Steel and Composite Structures Volume 28, Number 2, July25 2018 , pages 123-138 DOI: https://doi.org/10.12989/scs.2018.28.2.123 |
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Experimental and numerical assessment of EBF structures with shear links |
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Silvia Caprili, Nicola Mussini and Walter Salvatore
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| Abstract | ||
| Eccentrically braced frames (EBF) represent an optimal structural solution for seismic prone areas, being able to provide high dissipative capacity and good elastic stiffness, to withstand strong seismic events without significant loss of bearing capacity and to avoid damage to non-structural elements in case of low and moderate earthquakes. The accurate knowledge of the cyclic behaviour of the dissipative links, characterizing the whole performance of EBFs, is required to optimize the structural properties and to refine the design techniques adopted for multi-storey buildings' analysis. Reliable numerical models for the links, at the same time requiring a limited computational effort, are then needed. The present work shows the results of a wide experimental test campaign executed on real-scale one storey/one bay frames with horizontal and vertical links, together with the elaboration of a simple semi-analytical model for the quick representation of the cyclic behaviour of shear links. | ||
| Key Words | ||
| eccentrically braced frames; experimental tests; link; numerical analyses; overstrength factor | ||
| Address | ||
| Department of Civil and Industrial Engineering, University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy. | ||